From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Martin K. Petersen" Subject: Re: scsi_cmnd data_buffer checksum Date: Thu, 09 Sep 2010 23:33:34 -0400 Message-ID: References: <198194.69355.qm@web32407.mail.mud.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: In-Reply-To: <198194.69355.qm@web32407.mail.mud.yahoo.com> (Anil kumar's message of "Thu, 9 Sep 2010 12:34:55 -0700 (PDT)") Sender: linux-kernel-owner@vger.kernel.org To: Anil kumar Cc: "Martin K. Petersen" , Christof Schmitt , linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org List-Id: linux-scsi@vger.kernel.org >>>>> "Anil" == Anil kumar writes: Anil> But I had a quick question, isn't that drive has to support Anil> "protection enable" also. Just register DIX Type 0 in the host's protection mask. That'll enable protected transfer to the HBA only. Anil> Also, does Controller FW need to do anything extra to send DIF Anil> block down to drive. Ideally we will be sending 512 byte blocks Anil> down to drive. http://oss.oracle.com/~mkp/docs/dix-draft.pdf -- Martin K. Petersen Oracle Linux Engineering